Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

If you see error 0x80004003, wait a few minutes and try again. Find more solutions here.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

在 XBOX 上购买时收到错误消息或错误代码，或者对在 XBOX 上使用 VPN 有疑问？ 了解它们的含义。

學習如何找到 Windows 產品金鑰來啟用，以及何時會改用數位授權。

啟用是將產品金鑰或數位權利與裝置硬體設定配對的技術流程。 這並不會評估複製品本身的真實性，也不能保證 Windows 複製品是 正版。 它只會確保產品金鑰或數位權利對硬體設定有效。 另一方面，驗證是檢查關鍵的 Windows 授權檔案是否尚未損壞、刪除或移除，以及需要接收特定更新和下載的程式。

The new digital workflow provides a more secure, reliable, and user‑friendly activation experience and helps prevent fraud. While the process has been updated, offline activation capabilities remain supported. Customers who rely on traditional offline activation can continue using it without changes to their environment. The Product Activation Portal enables activation for a wide range of ...

Answers to questions on finding, getting, and applying product keys.

Find support for Xbox 360 controllers, including setup tips, troubleshooting, and compatibility information.

當您註冊 XBOX 主機或配件後，您可要求並追蹤維修服務，並查看您的保固狀態。 如果您不會再使用或不再擁有裝置，也可以 ...